#include <stdio.h>
#include <signal.h>
#include <string.h>
+#include "mono/utils/mono-membar.h"
#include <mono/metadata/string-icalls.h>
#include <mono/metadata/class-internals.h>
#include <mono/metadata/appdomain.h>
#include <mono/metadata/tabledefs.h>
#include <mono/metadata/loader.h>
#include <mono/metadata/object.h>
-#include <mono/metadata/unicode.h>
#include <mono/metadata/exception.h>
#include <mono/metadata/debug-helpers.h>
static gboolean
string_icall_is_in_array (MonoArray *chars, gint32 arraylength, gunichar2 chr);
-static MonoString*
-empty_string (MonoDomain *domain)
-{
- MonoVTable *vtable = mono_class_vtable (domain, mono_defaults.string_class);
- MonoObject *o;
- static MonoClassField *empty_field = NULL;
-
- if (!empty_field) {
- MonoClassField *field;
- gpointer iter;
-
- iter = NULL;
- while ((field = mono_class_get_fields (mono_defaults.string_class, &iter))) {
- if (!strcmp (field->name, "Empty"))
- break;
- }
-
- g_assert (field);
- empty_field = field;
- }
-
- mono_field_static_get_value (vtable, empty_field, &o);
- g_assert (o);
- return (MonoString*)o;
-}
-
-MonoString *
-ves_icall_System_String_ctor_charp (gpointer dummy, gunichar2 *value)
-{
- gint32 i, length;
- MonoDomain *domain;
-
- MONO_ARCH_SAVE_REGS;
-
- domain = mono_domain_get ();
-
- if (value == NULL)
- length = 0;
- else {
- for (i = 0; *(value + i) != '\0'; i++);
- length = i;
- }
-
- return mono_string_new_utf16 (domain, value, length);
-}
-
-MonoString *
-ves_icall_System_String_ctor_char_int (gpointer dummy, gunichar2 value, gint32 count)
-{
- MonoDomain *domain;
- MonoString *res;
- gunichar2 *chars;
- gint32 i;
-
- MONO_ARCH_SAVE_REGS;
-
- if (count < 0)
- mono_raise_exception (mono_get_exception_argument_out_of_range ("count"));
-
- domain = mono_domain_get ();
- res = mono_string_new_size (domain, count);
-
- chars = mono_string_chars (res);
- for (i = 0; i < count; i++)
- chars [i] = value;
-
- return res;
-}
-
-MonoString *
-ves_icall_System_String_ctor_charp_int_int (gpointer dummy, gunichar2 *value, gint32 sindex, gint32 length)
-{
- gunichar2 *begin;
- MonoDomain * domain;
-
- MONO_ARCH_SAVE_REGS;
-
- domain = mono_domain_get ();
-
- if ((value == NULL) && (length != 0))
- mono_raise_exception (mono_get_exception_argument_out_of_range ("Out of range"));
-
- if ((sindex < 0) || (length < 0))
- mono_raise_exception (mono_get_exception_argument_out_of_range ("Out of range"));
-
- if (length == 0)
- return empty_string (domain);
-
- begin = (gunichar2 *) (value + sindex);
-
- return mono_string_new_utf16 (domain, begin, length);
-}
-
-MonoString *
-ves_icall_System_String_ctor_sbytep (gpointer dummy, gint8 *value)
-{
- MonoDomain *domain;
-
- MONO_ARCH_SAVE_REGS;
-
- domain = mono_domain_get ();
-
- if (NULL == value)
- return empty_string (domain);
-
- return mono_string_new (domain, (const char *) value);
-}
-
-MonoString *
-ves_icall_System_String_ctor_sbytep_int_int (gpointer dummy, gint8 *value, gint32 sindex, gint32 length)
-{
- guchar *begin;
- MonoDomain *domain;
- MonoString *res;
- gunichar2 *chars;
- int i;
-
- MONO_ARCH_SAVE_REGS;
-
- domain = mono_domain_get ();
-
- if ((value == NULL) && (length != 0))
- mono_raise_exception (mono_get_exception_argument_out_of_range ("Out of range"));
-
- if ((sindex < 0) || (length < 0))
- mono_raise_exception (mono_get_exception_argument_out_of_range ("Out of range"));
-
- begin = (guchar *) (value + sindex);
- res = mono_string_new_size (domain, length);
- chars = mono_string_chars (res);
- for (i = 0; i < length; ++i)
- chars [i] = begin [i];
-
- return res;
-}
-
-MonoString *
-ves_icall_System_String_ctor_chara (gpointer dummy, MonoArray *value)
-{
- MonoDomain *domain;
-
- MONO_ARCH_SAVE_REGS;
-
- domain = mono_domain_get ();
-
- if (value == NULL)
- return mono_string_new_utf16 (domain, NULL, 0);
- else
- return mono_string_new_utf16 (domain, (gunichar2 *) mono_array_addr(value, gunichar2, 0), value->max_length);
-}
-
-MonoString *
-ves_icall_System_String_ctor_chara_int_int (gpointer dummy, MonoArray *value,
- gint32 sindex, gint32 length)
-{
- MonoDomain *domain;
-
- MONO_ARCH_SAVE_REGS;
-
- if (value == NULL)
- mono_raise_exception (mono_get_exception_argument_null ("value"));
- if (sindex < 0)
- mono_raise_exception (mono_get_exception_argument_out_of_range ("startIndex"));
- if (length < 0)
- mono_raise_exception (mono_get_exception_argument_out_of_range ("length"));
- if (sindex + length > mono_array_length (value))
- mono_raise_exception (mono_get_exception_argument_out_of_range ("Out of range"));
-
- domain = mono_domain_get ();
-
- return mono_string_new_utf16 (domain, (gunichar2 *) mono_array_addr(value, gunichar2, sindex), length);
-}
-
-MonoString *
-ves_icall_System_String_ctor_encoding (gpointer dummy, gint8 *value, gint32 sindex,
- gint32 length, MonoObject *enc)
+/* This function is redirected to String.CreateString ()
+ by mono_marshal_get_native_wrapper () */
+void
+ves_icall_System_String_ctor_RedirectToCreateString (void)
{
- MonoArray *arr;
- MonoString *s;
- MonoObject *exc;
- MonoDomain *domain = mono_domain_get ();
- MonoMethod *get_string;
- gpointer args [1];
- MonoClass *klass;
-
- MONO_ARCH_SAVE_REGS;
-
- if ((value == NULL) || (length == 0))
- return mono_string_new_size (mono_domain_get (), 0);
- if (enc == NULL)
- mono_raise_exception (mono_get_exception_argument_null ("enc"));
- if (sindex < 0)
- mono_raise_exception (mono_get_exception_argument_out_of_range ("startIndex"));
- if (length < 0)
- mono_raise_exception (mono_get_exception_argument_out_of_range ("length"));
-
- arr = mono_array_new (domain, mono_defaults.byte_class, length);
- memcpy (mono_array_addr (arr, guint8*, 0), value + sindex, length);
-
- /* Find the System.Text.Encoding class */
- for (klass = enc->vtable->klass; klass->parent->parent != NULL; klass = klass->parent)
- ;
-
- get_string = mono_class_get_method_from_name (klass, "GetString", 1);
- args [0] = arr;
- s = (MonoString*)mono_runtime_invoke (get_string, enc, args, &exc);
- if (!s || exc)
- mono_raise_exception (mono_get_exception_argument ("", "Unable to decode the array into a valid string."));
-
- return s;
+ g_assert_not_reached ();
}
MonoString *
return ret;
}
-MonoString *
-ves_icall_System_String_InternalInsert (MonoString *me, gint32 sindex, MonoString *value)
-{
- MonoString * ret;
- gunichar2 *src;
- gunichar2 *insertsrc;
- gunichar2 *dest;
- gint32 srclen;
- gint32 insertlen;
-
- MONO_ARCH_SAVE_REGS;
-
- src = mono_string_chars(me);
- srclen = mono_string_length(me);
-
- insertsrc = mono_string_chars(value);
- insertlen = mono_string_length(value);
-
- ret = mono_string_new_size( mono_domain_get (), srclen + insertlen);
- dest = mono_string_chars(ret);
-
- memcpy(dest, src, sindex * sizeof(gunichar2));
- memcpy(dest + sindex, insertsrc, insertlen * sizeof(gunichar2));
- memcpy(dest + sindex + insertlen, src + sindex, (srclen - sindex) * sizeof(gunichar2));
-
- return ret;
-}
-
-MonoString *
-ves_icall_System_String_InternalReplace_Char (MonoString *me, gunichar2 oldChar, gunichar2 newChar)
-{
- MonoString *ret;
- gunichar2 *src;
- gunichar2 *dest;
- gint32 i, srclen;
-
- MONO_ARCH_SAVE_REGS;
-
- src = mono_string_chars(me);
- srclen = mono_string_length(me);
-
- ret = mono_string_new_size( mono_domain_get (), srclen);
- dest = mono_string_chars(ret);
-
- for (i = 0; i != srclen; i++) {
- if (src[i] == oldChar)
- dest[i] = newChar;
- else
- dest[i] = src[i];
- }
-
- return ret;
-}
-
-MonoString *
-ves_icall_System_String_InternalRemove (MonoString *me, gint32 sindex, gint32 count)
-{
- MonoString * ret;
- gint32 srclen;
- gunichar2 *dest;
- gunichar2 *src;
-
- MONO_ARCH_SAVE_REGS;
-
- srclen = mono_string_length(me);
- ret = mono_string_new_size( mono_domain_get (), srclen - count);
-
- src = mono_string_chars(me);
- dest = mono_string_chars(ret);
-
- memcpy(dest, src, sindex * sizeof(gunichar2));
- memcpy(dest + sindex, src + sindex + count, (srclen - count - sindex) * sizeof(gunichar2));
-
- return ret;
-}
-
void
ves_icall_System_String_InternalCopyTo (MonoString *me, gint32 sindex, MonoArray *dest, gint32 dindex, gint32 count)
{
memcpy(destptr, src + sindex, sizeof(gunichar2) * count);
}
+/* System.StringSplitOptions */
+typedef enum {
+ STRINGSPLITOPTIONS_NONE = 0,
+ STRINGSPLITOPTIONS_REMOVE_EMPTY_ENTRIES = 1
+} StringSplitOptions;
+
MonoArray *
-ves_icall_System_String_InternalSplit (MonoString *me, MonoArray *separator, gint32 count)
+ves_icall_System_String_InternalSplit (MonoString *me, MonoArray *separator, gint32 count, gint32 options)
{
+ static MonoClass *String_array;
MonoString * tmpstr;
MonoArray * retarr;
gunichar2 *src;
gint32 arrsize, srcsize, splitsize;
gint32 i, lastpos, arrpos;
gint32 tmpstrsize;
+ gint32 remempty;
+ gint32 flag;
gunichar2 *tmpstrptr;
- gunichar2 cmpchar;
-
- MONO_ARCH_SAVE_REGS;
+ remempty = options & STRINGSPLITOPTIONS_REMOVE_EMPTY_ENTRIES;
+ src = mono_string_chars (me);
+ srcsize = mono_string_length (me);
+ arrsize = mono_array_length (separator);
- src = mono_string_chars(me);
- srcsize = mono_string_length(me);
- arrsize = mono_array_length(separator);
+ if (!String_array) {
+ MonoClass *klass = mono_array_class_get (mono_get_string_class (), 1);
+ mono_memory_barrier ();
+ String_array = klass;
+ }
- cmpchar = mono_array_get(separator, gunichar2, 0);
+ splitsize = 1;
+ /* Count the number of elements we will return. Note that this operation
+ * guarantees that we will return exactly splitsize elements, and we will
+ * have enough data to fill each. This allows us to skip some checks later on.
+ */
+ if (remempty == 0) {
+ for (i = 0; i != srcsize && splitsize < count; i++) {
+ if (string_icall_is_in_array (separator, arrsize, src [i]))
+ splitsize++;
+ }
+ } else if (count > 1) {
+ /* Require pattern "Nondelim + Delim + Nondelim" to increment counter.
+ * Lastpos != 0 means first nondelim found.
+ * Flag = 0 means last char was delim.
+ * Efficient, though perhaps confusing.
+ */
+ lastpos = 0;
+ flag = 0;
+ for (i = 0; i != srcsize && splitsize < count; i++) {
+ if (string_icall_is_in_array (separator, arrsize, src [i])) {
+ flag = 0;
+ } else if (flag == 0) {
+ if (lastpos == 1)
+ splitsize++;
+ flag = 1;
+ lastpos = 1;
+ }
+ }
- splitsize = 0;
- for (i = 0; i != srcsize && splitsize < count; i++) {
- if (string_icall_is_in_array(separator, arrsize, src[i]))
- splitsize++;
+ /* Nothing but separators */
+ if (lastpos == 0) {
+ retarr = mono_array_new_specific (mono_class_vtable (mono_domain_get (), String_array), 0);
+ return retarr;
+ }
}
- lastpos = 0;
- arrpos = 0;
-
/* if no split chars found return the string */
- if (splitsize == 0) {
- retarr = mono_array_new(mono_domain_get(), mono_get_string_class (), 1);
- mono_array_set(retarr, MonoString *, 0, me);
-
+ if (splitsize == 1) {
+ if (remempty == 0 || count == 1) {
+ /* Copy the whole string */
+ retarr = mono_array_new_specific (mono_class_vtable (mono_domain_get (), String_array), 1);
+ mono_array_setref (retarr, 0, me);
+ } else {
+ /* otherwise we have to filter out leading & trailing delims */
+
+ /* find first non-delim char */
+ for (; srcsize != 0; srcsize--, src++) {
+ if (!string_icall_is_in_array (separator, arrsize, src [0]))
+ break;
+ }
+ /* find last non-delim char */
+ for (; srcsize != 0; srcsize--) {
+ if (!string_icall_is_in_array (separator, arrsize, src [srcsize - 1]))
+ break;
+ }
+ tmpstr = mono_string_new_size (mono_domain_get (), srcsize);
+ tmpstrptr = mono_string_chars (tmpstr);
+
+ memcpy (tmpstrptr, src, srcsize * sizeof (gunichar2));
+ retarr = mono_array_new_specific (mono_class_vtable (mono_domain_get (), String_array), 1);
+ mono_array_setref (retarr, 0, tmpstr);
+ }
return retarr;
}
- if (splitsize != count)
- splitsize++;
+ lastpos = 0;
+ arrpos = 0;
+
+ retarr = mono_array_new_specific (mono_class_vtable (mono_domain_get (), String_array), splitsize);
- retarr = mono_array_new(mono_domain_get(), mono_get_string_class (), splitsize);
- for (i = 0; i != srcsize && arrpos != count; i++) {
- if (string_icall_is_in_array(separator, arrsize, src[i])) {
- if (arrpos == count - 1)
- tmpstrsize = srcsize - lastpos;
- else
+ for (i = 0; i != srcsize && arrpos != splitsize; i++) {
+ if (string_icall_is_in_array (separator, arrsize, src [i])) {
+
+ if (lastpos != i || remempty == 0) {
tmpstrsize = i - lastpos;
-
- tmpstr = mono_string_new_size( mono_domain_get (), tmpstrsize);
- tmpstrptr = mono_string_chars(tmpstr);
-
- memcpy(tmpstrptr, src + lastpos, tmpstrsize * sizeof(gunichar2));
- mono_array_set(retarr, MonoString *, arrpos, tmpstr);
- arrpos++;
+ tmpstr = mono_string_new_size (mono_domain_get (), tmpstrsize);
+ tmpstrptr = mono_string_chars (tmpstr);
+
+ memcpy (tmpstrptr, src + lastpos, tmpstrsize * sizeof (gunichar2));
+ mono_array_setref (retarr, arrpos, tmpstr);
+ arrpos++;
+
+ if (arrpos == splitsize - 1) {
+ /* Shortcut the last array element */
+
+ lastpos = i + 1;
+ if (remempty != 0) {
+ /* Search for non-delim starting char (guaranteed to find one) Note that loop
+ * condition is only there for safety. It will never actually terminate the loop. */
+ for (; lastpos != srcsize ; lastpos++) {
+ if (!string_icall_is_in_array (separator, arrsize, src [lastpos]))
+ break;
+ }
+ if (count > splitsize) {
+ /* Since we have fewer results than our limit, we must remove
+ * trailing delimiters as well.
+ */
+ for (; srcsize != lastpos + 1 ; srcsize--) {
+ if (!string_icall_is_in_array (separator, arrsize, src [srcsize - 1]))
+ break;
+ }
+ }
+ }
+
+ tmpstrsize = srcsize - lastpos;
+ tmpstr = mono_string_new_size (mono_domain_get (), tmpstrsize);
+ tmpstrptr = mono_string_chars (tmpstr);
+
+ memcpy (tmpstrptr, src + lastpos, tmpstrsize * sizeof (gunichar2));
+ mono_array_setref (retarr, arrpos, tmpstr);
+
+ /* Loop will ALWAYS end here. Test criteria in the FOR loop is technically unnecessary. */
+ break;
+ }
+ }
lastpos = i + 1;
}
}
- if (arrpos < count) {
- tmpstrsize = srcsize - lastpos;
- tmpstr = mono_string_new_size( mono_domain_get (), tmpstrsize);
- tmpstrptr = mono_string_chars(tmpstr);
-
- memcpy(tmpstrptr, src + lastpos, tmpstrsize * sizeof(gunichar2));
- mono_array_set(retarr, MonoString *, arrpos, tmpstr);
- }
-
return retarr;
}
return ret;
}
-gint32
-ves_icall_System_String_InternalIndexOfAny (MonoString *me, MonoArray *arr, gint32 sindex, gint32 count)
-{
- gint32 pos;
- gint32 loop;
- gint32 arraysize;
- gunichar2 *src;
-
- MONO_ARCH_SAVE_REGS;
-
- arraysize = mono_array_length(arr);
- src = mono_string_chars(me);
-
- for (pos = sindex; pos != count + sindex; pos++) {
- for (loop = 0; loop != arraysize; loop++)
- if ( src [pos] == mono_array_get(arr, gunichar2, loop) )
- return pos;
- }
-
- return -1;
-}
-
-gint32
-ves_icall_System_String_InternalLastIndexOf_Char (MonoString *me, gunichar2 value, gint32 sindex, gint32 count)
-{
- gint32 pos;
- gunichar2 *src;
-
- MONO_ARCH_SAVE_REGS;
-
- src = mono_string_chars(me);
- for (pos = sindex; pos > sindex - count; pos--) {
- if (src [pos] == value)
- return pos;
- }
-
- return -1;
-}
-
-gint32
-ves_icall_System_String_InternalLastIndexOf_Str (MonoString *me, MonoString *value, gint32 sindex, gint32 count)
-{
- gint32 lencmpstr;
- gint32 pos;
- gunichar2 *src;
- gunichar2 *cmpstr;
-
- MONO_ARCH_SAVE_REGS;
-
- lencmpstr = mono_string_length(value);
-
- src = mono_string_chars(me);
- cmpstr = mono_string_chars(value);
-
- for (pos = sindex - lencmpstr + 1; pos > sindex - count; pos--) {
- if (0 == memcmp(src + pos, cmpstr, lencmpstr * sizeof(gunichar2)))
- return pos;
- }
-
- return -1;
-}
-
gint32
ves_icall_System_String_InternalLastIndexOfAny (MonoString *me, MonoArray *anyOf, gint32 sindex, gint32 count)
{
return mono_string_chars(me)[idx];
}
-void
-ves_icall_System_String_InternalCharCopy (gunichar2 *src, gunichar2 *dest, gint32 count)
-{
- MONO_ARCH_SAVE_REGS;
-
- memcpy (dest, src, sizeof (gunichar2) * count);
-}
projects / mono.git / blobdiff